fix: use ee-jenkins service account for pod exec permissions

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Mbd06b

Jenkinsfile

@@ -52,7 +52,7 @@ pipeline {
 apiVersion: v1
 kind: Pod
 spec:
-  serviceAccount: jenkins-deployer
+  serviceAccount: ee-jenkins
   nodeSelector:
     node-type: edge
   containers: